The recorded moment of the explosion, a fiery cloudThe recorded moment of the explosion, a fiery cloud
Astronomical space in the galaxy and spherical planetsAstronomical space in the galaxy and spherical planets
A flight in the galaxy on a space station in the shadow side of the moonA flight in the galaxy on a space station in the shadow side of the moon
Fascinating microcosm of phosphorescent substancesFascinating microcosm of phosphorescent substances
The constellation of the galaxy in space by astronomyThe constellation of the galaxy in space by astronomy
Система знаний о закономерностях в развитии природы, общества и мышления, а также отдельная отрасль таких знаний. То, что поучает, даёт опыт, урок (в 4 знач.; разг. ).